http://www.nytimes.com/2008/08/03/magazine/03trolls-t.html?_r=3&pagewanted=all&oref=slogin&oref=slogin&oref=slogin
totally worth the read for this exchange:
WEEV: the whole posting flashing images to epileptics thing? over the line.
HEPKITTEN: can someone plz tell me how doing something the admins intentionally left enabled is hacking?
WEEV: it's hacking peoples unpatched brains. we have to draw a moral line somewhere.